[URL="http://api.tweetmeme.com/share?url=http://espn.go.com/nfl/story/_/id/8485773/alex-karras-detroit-lions-defensive-great-dies-age-77&service=bit.ly&source=espn"][IMG]http://api.tweetmeme.com/imagebutton.gif?url=http://espn.go.com/nfl/story/_/id/8485773/alex-karras-detroit-lions-defensive-great-dies-age-77[/IMG][/URL]Alex Karras, who gained fame in the NFL as a fearsome defensive lineman and later as an actor, has died. He was 77.